| 摘要 |
PROBLEM TO BE SOLVED: To provide a sound insulation cover and a sound insulation structure which enable the installation from a front side of a wall.SOLUTION: A sound insulation cover 21 includes a cover body 25 formed by a flexible material having a specific gravity of 2 or higher and having sound insulation properties. The cover body 25 includes an opening 20a on a front surface and is formed into a box shape that may house a wiring tool 42 installed on a lightweight partition wall W from an opening 20a. Further, the sound insulation cover 21 includes a flange part 26 extending from a front surface of the cover body 25 to the exterior. In the sound insulation cover 21, the cover body 25 is inserted into a wall hole Wb from the front side of the lightweight partition wall W, and the flange part 26 is disposed at a periphery of the wall hole Wb on a surface of the lightweight partition wall W. |
